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authorrdivacky <rdivacky@FreeBSD.org>2010-03-03 17:28:16 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-03-03 17:28:16 +0000
commitdf90325d4c0a65ee64d2dae3ed9b5b34f7418533 (patch)
treee1a885aadfd80632f5bd70d4bd2d37e715e35a79 /test/CodeGenCXX/vtable-layout-abi-examples.cpp
parentfd035e6496665b1f1197868e21cb0a4594e8db6e (diff)
downloadFreeBSD-src-df90325d4c0a65ee64d2dae3ed9b5b34f7418533.zip
FreeBSD-src-df90325d4c0a65ee64d2dae3ed9b5b34f7418533.tar.gz
Update clang to 97654.
Diffstat (limited to 'test/CodeGenCXX/vtable-layout-abi-examples.cpp')
-rw-r--r--test/CodeGenCXX/vtable-layout-abi-examples.cpp189
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diff --git a/test/CodeGenCXX/vtable-layout-abi-examples.cpp b/test/CodeGenCXX/vtable-layout-abi-examples.cpp
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+// RUN: %clang_cc1 %s -triple=x86_64-apple-darwin10 -emit-llvm-only -fdump-vtable-layouts 2>&1 | FileCheck %s
+
+/// Examples from the Itanium C++ ABI specification.
+/// http://www.codesourcery.com/public/cxx-abi/
+
+namespace Test1 {
+
+// This is from http://www.codesourcery.com/public/cxx-abi/cxx-vtable-ex.html
+
+// CHECK: Vtable for 'Test1::A' (5 entries).
+// CHECK-NEXT: 0 | offset_to_top (0)
+// CHECK-NEXT: 1 | Test1::A RTTI
+// CHECK-NEXT: -- (Test1::A, 0) vtable address --
+// CHECK-NEXT: 2 | void Test1::A::f()
+// CHECK-NEXT: 3 | void Test1::A::g()
+// CHECK-NEXT: 4 | void Test1::A::h()
+struct A {
+ virtual void f ();
+ virtual void g ();
+ virtual void h ();
+ int ia;
+};
+void A::f() {}
+
+// CHECK: Vtable for 'Test1::B' (13 entries).
+// CHECK-NEXT: 0 | vbase_offset (16)
+// CHECK-NEXT: 1 | offset_to_top (0)
+// CHECK-NEXT: 2 | Test1::B RTTI
+// CHECK-NEXT: -- (Test1::B, 0) vtable address --
+// CHECK-NEXT: 3 | void Test1::B::f()
+// CHECK-NEXT: 4 | void Test1::B::h()
+// CHECK-NEXT: 5 | vcall_offset (-16)
+// CHECK-NEXT: 6 | vcall_offset (0)
+// CHECK-NEXT: 7 | vcall_offset (-16)
+// CHECK-NEXT: 8 | offset_to_top (-16)
+// CHECK-NEXT: 9 | Test1::B RTTI
+// CHECK-NEXT: -- (Test1::A, 16) vtable address --
+// CHECK-NEXT: 10 | void Test1::B::f()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
+// CHECK-NEXT: 11 | void Test1::A::g()
+// CHECK-NEXT: 12 | void Test1::B::h()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset]
+struct B: public virtual A {
+ void f ();
+ void h ();
+ int ib;
+};
+void B::f() {}
+
+// CHECK: Vtable for 'Test1::C' (13 entries).
+// CHECK-NEXT: 0 | vbase_offset (16)
+// CHECK-NEXT: 1 | offset_to_top (0)
+// CHECK-NEXT: 2 | Test1::C RTTI
+// CHECK-NEXT: -- (Test1::C, 0) vtable address --
+// CHECK-NEXT: 3 | void Test1::C::g()
+// CHECK-NEXT: 4 | void Test1::C::h()
+// CHECK-NEXT: 5 | vcall_offset (-16)
+// CHECK-NEXT: 6 | vcall_offset (-16)
+// CHECK-NEXT: 7 | vcall_offset (0)
+// CHECK-NEXT: 8 | offset_to_top (-16)
+// CHECK-NEXT: 9 | Test1::C RTTI
+// CHECK-NEXT: -- (Test1::A, 16) vtable address --
+// CHECK-NEXT: 10 | void Test1::A::f()
+// CHECK-NEXT: 11 | void Test1::C::g()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
+// CHECK-NEXT: 12 | void Test1::C::h()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset]
+struct C: public virtual A {
+ void g ();
+ void h ();
+ int ic;
+};
+void C::g() {}
+
+// CHECK: Vtable for 'Test1::D' (18 entries).
+// CHECK-NEXT: 0 | vbase_offset (32)
+// CHECK-NEXT: 1 | offset_to_top (0)
+// CHECK-NEXT: 2 | Test1::D RTTI
+// CHECK-NEXT: -- (Test1::B, 0) vtable address --
+// CHECK-NEXT: -- (Test1::D, 0) vtable address --
+// CHECK-NEXT: 3 | void Test1::B::f()
+// CHECK-NEXT: 4 | void Test1::D::h()
+// CHECK-NEXT: 5 | vbase_offset (16)
+// CHECK-NEXT: 6 | offset_to_top (-16)
+// CHECK-NEXT: 7 | Test1::D RTTI
+// CHECK-NEXT: -- (Test1::C, 16) vtable address --
+// CHECK-NEXT: 8 | void Test1::C::g()
+// CHECK-NEXT: 9 | void Test1::D::h()
+// CHECK-NEXT: [this adjustment: -16 non-virtual]
+// CHECK-NEXT: 10 | vcall_offset (-32)
+// CHECK-NEXT: 11 | vcall_offset (-16)
+// CHECK-NEXT: 12 | vcall_offset (-32)
+// CHECK-NEXT: 13 | offset_to_top (-32)
+// CHECK-NEXT: 14 | Test1::D RTTI
+// CHECK-NEXT: -- (Test1::A, 32) vtable address --
+// CHECK-NEXT: 15 | void Test1::B::f()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
+// CHECK-NEXT: 16 | void Test1::C::g()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
+// CHECK-NEXT: 17 | void Test1::D::h()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset]
+struct D: public B, public C {
+ void h ();
+ int id;
+};
+void D::h() { }
+
+struct X {
+ int ix;
+ virtual void x();
+};
+
+// CHECK: Vtable for 'Test1::E' (24 entries).
+// CHECK-NEXT: 0 | vbase_offset (56)
+// CHECK-NEXT: 1 | offset_to_top (0)
+// CHECK-NEXT: 2 | Test1::E RTTI
+// CHECK-NEXT: -- (Test1::E, 0) vtable address --
+// CHECK-NEXT: -- (Test1::X, 0) vtable address --
+// CHECK-NEXT: 3 | void Test1::X::x()
+// CHECK-NEXT: 4 | void Test1::E::f()
+// CHECK-NEXT: 5 | void Test1::E::h()
+// CHECK-NEXT: 6 | vbase_offset (40)
+// CHECK-NEXT: 7 | offset_to_top (-16)
+// CHECK-NEXT: 8 | Test1::E RTTI
+// CHECK-NEXT: -- (Test1::B, 16) vtable address --
+// CHECK-NEXT: -- (Test1::D, 16) vtable address --
+// CHECK-NEXT: 9 | void Test1::E::f()
+// CHECK-NEXT: [this adjustment: -16 non-virtual]
+// CHECK-NEXT: 10 | void Test1::E::h()
+// CHECK-NEXT: [this adjustment: -16 non-virtual]
+// CHECK-NEXT: 11 | vbase_offset (24)
+// CHECK-NEXT: 12 | offset_to_top (-32)
+// CHECK-NEXT: 13 | Test1::E RTTI
+// CHECK-NEXT: -- (Test1::C, 32) vtable address --
+// CHECK-NEXT: 14 | void Test1::C::g()
+// CHECK-NEXT: 15 | void Test1::E::h()
+// CHECK-NEXT: [this adjustment: -32 non-virtual]
+// CHECK-NEXT: 16 | vcall_offset (-56)
+// CHECK-NEXT: 17 | vcall_offset (-24)
+// CHECK-NEXT: 18 | vcall_offset (-56)
+// CHECK-NEXT: 19 | offset_to_top (-56)
+// CHECK-NEXT: 20 | Test1::E RTTI
+// CHECK-NEXT: -- (Test1::A, 56) vtable address --
+// CHECK-NEXT: 21 | void Test1::E::f()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
+// CHECK-NEXT: 22 | void Test1::C::g()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -32 vcall offset offset]
+// CHECK-NEXT: 23 | void Test1::E::h()
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -40 vcall offset offset]
+struct E : X, D {
+ int ie;
+ void f();
+ void h ();
+};
+void E::f() { }
+
+}
+
+namespace Test2 {
+
+// From http://www.codesourcery.com/public/cxx-abi/abi.html#class-types.
+
+struct A { virtual void f(); };
+struct B : virtual public A { int i; };
+struct C : virtual public A { int j; };
+
+// CHECK: Vtable for 'Test2::D' (11 entries).
+// CHECK-NEXT: 0 | vbase_offset (0)
+// CHECK-NEXT: 1 | vcall_offset (0)
+// CHECK-NEXT: 2 | offset_to_top (0)
+// CHECK-NEXT: 3 | Test2::D RTTI
+// CHECK-NEXT: -- (Test2::A, 0) vtable address --
+// CHECK-NEXT: -- (Test2::B, 0) vtable address --
+// CHECK-NEXT: -- (Test2::D, 0) vtable address --
+// CHECK-NEXT: 4 | void Test2::A::f()
+// CHECK-NEXT: 5 | void Test2::D::d()
+// CHECK-NEXT: 6 | vbase_offset (-16)
+// CHECK-NEXT: 7 | vcall_offset (-16)
+// CHECK-NEXT: 8 | offset_to_top (-16)
+// CHECK-NEXT: 9 | Test2::D RTTI
+// CHECK-NEXT: -- (Test2::A, 16) vtable address --
+// CHECK-NEXT: -- (Test2::C, 16) vtable address --
+// CHECK-NEXT: 10 | [unused] void Test2::A::f()
+struct D : public B, public C {
+ virtual void d();
+};
+void D::d() { }
+
+}
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